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I was wondering if anyone had any go-to Mathematica packages for computing higher-order Feynman graphs. Specifically ones that would allow me to construct higher spin fields like $h_{\mu\nu}$ and then be able to write the rules in myself (I have the Feynman rules, I just need a nice package that understands what I am typing).

I have only ever worked with diffgeo.m before, so if that could be used alongside a Feynman graph package that would be helpful.

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    $\begingroup$ Might Mathematica be better suited for this question about Mathematica? $\endgroup$
    – Kyle Kanos
    Commented Jul 11, 2023 at 1:43
  • $\begingroup$ @KyleKanos I'll post this over there as well, thanks for the suggestion. $\endgroup$
    – MathZilla
    Commented Jul 11, 2023 at 1:45
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    $\begingroup$ I know people that use a package called Feyncalc for diagram computations, maybe take a look at that. $\endgroup$
    – Bairrao
    Commented Jul 11, 2023 at 1:52
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    $\begingroup$ What exactly do you want? When you say 'computing higher order feynman graphs', you mean doing the loop integrals? Mathematica has various packages for handling generic one-loop integrals, two-loop and above are usually specialised $\endgroup$
    – QCD_IS_GOOD
    Commented Jul 11, 2023 at 3:31
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    $\begingroup$ Related: physics.stackexchange.com/q/96510/2451 $\endgroup$
    – Qmechanic ♦
    Commented Jul 11, 2023 at 3:56

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